diff --git a/composer.json b/composer.json
index 14646162ad9..866a8a09cc3 100644
--- a/composer.json
+++ b/composer.json
@@ -42,14 +42,14 @@
         "doctrine/annotations": "^1.13 || ^2",
         "doctrine/coding-standard": "^9.0.2 || ^12.0",
         "phpbench/phpbench": "^0.16.10 || ^1.0",
-        "phpstan/phpstan": "~1.4.10 || 1.10.28",
+        "phpstan/phpstan": "~1.4.10 || 1.10.35",
         "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6",
         "psr/log": "^1 || ^2 || ^3",
         "squizlabs/php_codesniffer": "3.7.2",
         "symfony/cache": "^4.4 || ^5.4 || ^6.0",
         "symfony/var-exporter": "^4.4 || ^5.4 || ^6.2",
         "symfony/yaml": "^3.4 || ^4.0 || ^5.0 || ^6.0",
-        "vimeo/psalm": "4.30.0 || 5.14.1"
+        "vimeo/psalm": "4.30.0 || 5.15.0"
     },
     "conflict": {
         "doctrine/annotations": "<1.13 || >= 3.0"
diff --git a/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php b/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php
index 827ef873b5a..82ad11a2981 100644
--- a/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php
+++ b/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php
@@ -128,7 +128,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
         // Evaluate named queries
         if (isset($xmlRoot->{'named-queries'})) {
-            foreach ($xmlRoot->{'named-queries'}->{'named-query'} as $namedQueryElement) {
+            foreach ($xmlRoot->{'named-queries'}->{'named-query'} ?? [] as $namedQueryElement) {
                 $metadata->addNamedQuery(
                     [
                         'name'  => (string) $namedQueryElement['name'],
@@ -140,7 +140,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
         // Evaluate native named queries
         if (isset($xmlRoot->{'named-native-queries'})) {
-            foreach ($xmlRoot->{'named-native-queries'}->{'named-native-query'} as $nativeQueryElement) {
+            foreach ($xmlRoot->{'named-native-queries'}->{'named-native-query'} ?? [] as $nativeQueryElement) {
                 $metadata->addNamedNativeQuery(
                     [
                         'name'              => isset($nativeQueryElement['name']) ? (string) $nativeQueryElement['name'] : null,
@@ -154,7 +154,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
         // Evaluate sql result set mapping
         if (isset($xmlRoot->{'sql-result-set-mappings'})) {
-            foreach ($xmlRoot->{'sql-result-set-mappings'}->{'sql-result-set-mapping'} as $rsmElement) {
+            foreach ($xmlRoot->{'sql-result-set-mappings'}->{'sql-result-set-mapping'} ?? [] as $rsmElement) {
                 $entities = [];
                 $columns  = [];
                 foreach ($rsmElement as $entityElement) {
@@ -240,7 +240,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
         // Evaluate <indexes...>
         if (isset($xmlRoot->indexes)) {
             $metadata->table['indexes'] = [];
-            foreach ($xmlRoot->indexes->index as $indexXml) {
+            foreach ($xmlRoot->indexes->index ?? [] as $indexXml) {
                 $index = [];
 
                 if (isset($indexXml['columns']) && ! empty($indexXml['columns'])) {
@@ -283,7 +283,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
         // Evaluate <unique-constraints..>
         if (isset($xmlRoot->{'unique-constraints'})) {
             $metadata->table['uniqueConstraints'] = [];
-            foreach ($xmlRoot->{'unique-constraints'}->{'unique-constraint'} as $uniqueXml) {
+            foreach ($xmlRoot->{'unique-constraints'}->{'unique-constraint'} ?? [] as $uniqueXml) {
                 $unique = [];
 
                 if (isset($uniqueXml['columns']) && ! empty($uniqueXml['columns'])) {
@@ -370,7 +370,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
         // Evaluate <id ...> mappings
         $associationIds = [];
-        foreach ($xmlRoot->id as $idElement) {
+        foreach ($xmlRoot->id ?? [] as $idElement) {
             if (isset($idElement['association-key']) && $this->evaluateBoolean($idElement['association-key'])) {
                 $associationIds[(string) $idElement['name']] = true;
                 continue;
@@ -439,7 +439,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
                     if (isset($oneToOneElement->{'join-column'})) {
                         $joinColumns[] = $this->joinColumnToArray($oneToOneElement->{'join-column'});
                     } elseif (isset($oneToOneElement->{'join-columns'})) {
-                        foreach ($oneToOneElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
+                        foreach ($oneToOneElement->{'join-columns'}->{'join-column'} ?? [] as $joinColumnElement) {
                             $joinColumns[] = $this->joinColumnToArray($joinColumnElement);
                         }
                     }
@@ -490,7 +490,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
                 if (isset($oneToManyElement->{'order-by'})) {
                     $orderBy = [];
-                    foreach ($oneToManyElement->{'order-by'}->{'order-by-field'} as $orderByField) {
+                    foreach ($oneToManyElement->{'order-by'}->{'order-by-field'} ?? [] as $orderByField) {
                         $orderBy[(string) $orderByField['name']] = isset($orderByField['direction'])
                             ? (string) $orderByField['direction']
                             : Criteria::ASC;
@@ -542,7 +542,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
                 if (isset($manyToOneElement->{'join-column'})) {
                     $joinColumns[] = $this->joinColumnToArray($manyToOneElement->{'join-column'});
                 } elseif (isset($manyToOneElement->{'join-columns'})) {
-                    foreach ($manyToOneElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
+                    foreach ($manyToOneElement->{'join-columns'}->{'join-column'} ?? [] as $joinColumnElement) {
                         $joinColumns[] = $this->joinColumnToArray($joinColumnElement);
                     }
                 }
@@ -601,11 +601,11 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
                         $joinTable['options'] = $this->parseOptions($joinTableElement->options->children());
                     }
 
-                    foreach ($joinTableElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
+                    foreach ($joinTableElement->{'join-columns'}->{'join-column'} ?? [] as $joinColumnElement) {
                         $joinTable['joinColumns'][] = $this->joinColumnToArray($joinColumnElement);
                     }
 
-                    foreach ($joinTableElement->{'inverse-join-columns'}->{'join-column'} as $joinColumnElement) {
+                    foreach ($joinTableElement->{'inverse-join-columns'}->{'join-column'} ?? [] as $joinColumnElement) {
                         $joinTable['inverseJoinColumns'][] = $this->joinColumnToArray($joinColumnElement);
                     }
 
@@ -618,7 +618,7 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
                 if (isset($manyToManyElement->{'order-by'})) {
                     $orderBy = [];
-                    foreach ($manyToManyElement->{'order-by'}->{'order-by-field'} as $orderByField) {
+                    foreach ($manyToManyElement->{'order-by'}->{'order-by-field'} ?? [] as $orderByField) {
                         $orderBy[(string) $orderByField['name']] = isset($orderByField['direction'])
                             ? (string) $orderByField['direction']
                             : Criteria::ASC;
@@ -644,9 +644,9 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
         // Evaluate association-overrides
         if (isset($xmlRoot->{'attribute-overrides'})) {
-            foreach ($xmlRoot->{'attribute-overrides'}->{'attribute-override'} as $overrideElement) {
+            foreach ($xmlRoot->{'attribute-overrides'}->{'attribute-override'} ?? [] as $overrideElement) {
                 $fieldName = (string) $overrideElement['name'];
-                foreach ($overrideElement->field as $field) {
+                foreach ($overrideElement->field ?? [] as $field) {
                     $mapping              = $this->columnToArray($field);
                     $mapping['fieldName'] = $fieldName;
                     $metadata->setAttributeOverride($fieldName, $mapping);
@@ -656,14 +656,14 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
         // Evaluate association-overrides
         if (isset($xmlRoot->{'association-overrides'})) {
-            foreach ($xmlRoot->{'association-overrides'}->{'association-override'} as $overrideElement) {
+            foreach ($xmlRoot->{'association-overrides'}->{'association-override'} ?? [] as $overrideElement) {
                 $fieldName = (string) $overrideElement['name'];
                 $override  = [];
 
                 // Check for join-columns
                 if (isset($overrideElement->{'join-columns'})) {
                     $joinColumns = [];
-                    foreach ($overrideElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
+                    foreach ($overrideElement->{'join-columns'}->{'join-column'} ?? [] as $joinColumnElement) {
                         $joinColumns[] = $this->joinColumnToArray($joinColumnElement);
                     }
 
@@ -685,13 +685,13 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
                     }
 
                     if (isset($joinTableElement->{'join-columns'})) {
-                        foreach ($joinTableElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
+                        foreach ($joinTableElement->{'join-columns'}->{'join-column'} ?? [] as $joinColumnElement) {
                             $joinTable['joinColumns'][] = $this->joinColumnToArray($joinColumnElement);
                         }
                     }
 
                     if (isset($joinTableElement->{'inverse-join-columns'})) {
-                        foreach ($joinTableElement->{'inverse-join-columns'}->{'join-column'} as $joinColumnElement) {
+                        foreach ($joinTableElement->{'inverse-join-columns'}->{'join-column'} ?? [] as $joinColumnElement) {
                             $joinTable['inverseJoinColumns'][] = $this->joinColumnToArray($joinColumnElement);
                         }
                     }
@@ -715,14 +715,14 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
 
         // Evaluate <lifecycle-callbacks...>
         if (isset($xmlRoot->{'lifecycle-callbacks'})) {
-            foreach ($xmlRoot->{'lifecycle-callbacks'}->{'lifecycle-callback'} as $lifecycleCallback) {
+            foreach ($xmlRoot->{'lifecycle-callbacks'}->{'lifecycle-callback'} ?? [] as $lifecycleCallback) {
                 $metadata->addLifecycleCallback((string) $lifecycleCallback['method'], constant('Doctrine\ORM\Events::' . (string) $lifecycleCallback['type']));
             }
         }
 
         // Evaluate entity listener
         if (isset($xmlRoot->{'entity-listeners'})) {
-            foreach ($xmlRoot->{'entity-listeners'}->{'entity-listener'} as $listenerElement) {
+            foreach ($xmlRoot->{'entity-listeners'}->{'entity-listener'} ?? [] as $listenerElement) {
                 $className = (string) $listenerElement['class'];
                 // Evaluate the listener using naming convention.
                 if ($listenerElement->count() === 0) {
@@ -744,16 +744,14 @@ public function loadMetadataForClass($className, PersistenceClassMetadata $metad
     /**
      * Parses (nested) option elements.
      *
-     * @param SimpleXMLElement $options The XML element.
-     *
      * @return mixed[] The options array.
      * @psalm-return array<int|string, array<int|string, mixed|string>|bool|string>
      */
-    private function parseOptions(SimpleXMLElement $options): array
+    private function parseOptions(?SimpleXMLElement $options): array
     {
         $array = [];
 
-        foreach ($options as $option) {
+        foreach ($options ?? [] as $option) {
             if ($option->count()) {
                 $value = $this->parseOptions($option->children());
             } else {
@@ -816,7 +814,7 @@ private function joinColumnToArray(SimpleXMLElement $joinColumnElement): array
         }
 
         if (isset($joinColumnElement['options'])) {
-            $joinColumn['options'] = $this->parseOptions($joinColumnElement['options']->children());
+            $joinColumn['options'] = $this->parseOptions($joinColumnElement['options'] ? $joinColumnElement['options']->children() : null);
         }
 
         return $joinColumn;
@@ -972,19 +970,19 @@ protected function loadMappingFile($file)
 
         if (isset($xmlElement->entity)) {
             foreach ($xmlElement->entity as $entityElement) {
-                /** @psalm-var class-string */
+                /** @psalm-var class-string $entityName */
                 $entityName          = (string) $entityElement['name'];
                 $result[$entityName] = $entityElement;
             }
         } elseif (isset($xmlElement->{'mapped-superclass'})) {
             foreach ($xmlElement->{'mapped-superclass'} as $mappedSuperClass) {
-                /** @psalm-var class-string */
+                /** @psalm-var class-string $className */
                 $className          = (string) $mappedSuperClass['name'];
                 $result[$className] = $mappedSuperClass;
             }
         } elseif (isset($xmlElement->embeddable)) {
             foreach ($xmlElement->embeddable as $embeddableElement) {
-                /** @psalm-var class-string */
+                /** @psalm-var class-string $embeddableName */
                 $embeddableName          = (string) $embeddableElement['name'];
                 $result[$embeddableName] = $embeddableElement;
             }
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index fd8707f0806..1414b70c24d 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="5.14.1@b9d355e0829c397b9b3b47d0c0ed042a8a70284d">
+<files psalm-version="5.15.0@5c774aca4746caf3d239d9c8cadb9f882ca29352">
   <file src="lib/Doctrine/ORM/AbstractQuery.php">
     <DeprecatedClass>
       <code>IterableResult</code>
@@ -916,13 +916,12 @@
       <code><![CDATA[$metadata->table]]></code>
     </InvalidPropertyAssignmentValue>
     <InvalidPropertyFetch>
-      <code><![CDATA[$indexXml->options]]></code>
-      <code><![CDATA[$uniqueXml->options]]></code>
       <code><![CDATA[$xmlRoot->{'discriminator-column'}]]></code>
       <code><![CDATA[$xmlRoot->{'discriminator-map'}]]></code>
     </InvalidPropertyFetch>
     <InvalidReturnStatement>
       <code>$mapping</code>
+      <code>$result</code>
       <code><![CDATA[[
             'usage'  => $usage,
             'region' => $region,
@@ -946,6 +945,7 @@
       *                   options?: array
       *               }</code>
       <code>array{usage: int|null, region?: string}</code>
+      <code>loadMappingFile</code>
     </InvalidReturnType>
     <MissingParamType>
       <code>$fileExtension</code>
@@ -955,15 +955,9 @@
       <code>$metadata</code>
     </MoreSpecificImplementedParamType>
     <NoInterfaceProperties>
-      <code><![CDATA[$indexXml->options]]></code>
-      <code><![CDATA[$uniqueXml->options]]></code>
       <code><![CDATA[$xmlRoot->{'discriminator-column'}]]></code>
       <code><![CDATA[$xmlRoot->{'discriminator-map'}]]></code>
     </NoInterfaceProperties>
-    <PossiblyNullArgument>
-      <code><![CDATA[$joinColumnElement['options']->children()]]></code>
-      <code><![CDATA[$option->children()]]></code>
-    </PossiblyNullArgument>
     <TypeDoesNotContainType>
       <code><![CDATA[$xmlRoot->getName() === 'embeddable']]></code>
       <code><![CDATA[$xmlRoot->getName() === 'entity']]></code>
@@ -2557,9 +2551,6 @@
     <NonInvariantDocblockPropertyType>
       <code>$_extension</code>
     </NonInvariantDocblockPropertyType>
-    <PossiblyFalseArgument>
-      <code><![CDATA[$simpleXml->asXML()]]></code>
-    </PossiblyFalseArgument>
     <RedundantCondition>
       <code><![CDATA[$field['associationKey']]]></code>
       <code><![CDATA[isset($field['associationKey']) && $field['associationKey']]]></code>